Cahen, Alfred, 1907-1976 , Nelson, Saul, 1901- and Stone, Nahum I., 1873-1966. Productivity of Labor in the Cotton-Garment Industry : Bulletin of the United States Bureau of Labor Statistics, No. 662 , Washington, D.C: U.S. G.P.O., November 1938, https://fraser.stlouisfed.org/title/4171, accessed on December 20, 2024.